Did you know?

Click any word in a definition or example to find the entry for that word

optimistic - definition and synonyms

 
 
Close
What are red words?

90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.

Close
ThesaurusThesaurus
Thesaurus diagram

The thesaurus of synonyms and related words is fully integrated into the dictionary. Click on the thesaurus category heading under the button in an entry to see the synonyms and related words for that meaning.

more
adjective     optimistic pronunciation in American English
/ˌɑptɪˈmɪstɪk/
  1. 1
    someone who is optimistic is hopeful about the future and tends to expect that good things will happen
    optimistic about:

    She said that she was optimistic about the future of the company.

    be/remain optimistic that:

    I remain optimistic that a peaceful settlement of the dispute can be achieved.

  2. 2
    based on beliefs that are too confident

    Their profit forecasts were a little optimistic.

derived word

optimistically

     optimistically pronunciation in American English
/ˌɑptɪˈmɪstɪkli/ adverb
BuzzWord

moonbow

a rainbow produced when water droplets in the air reflect light from the moon rather than the sun

BuzzWord Article

Open Dictionary

platform capitalism

a way of doing business that involves recruiting large numbers of people who work for themselves using the company's platform, as used by companies such as Uber, Deliveroo and the like

add a word

Blog

A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.

global English and language change from our blog
Macmillan learn live love play